Export of internal Abseil changes

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51e9291d9bc385082b4061fe760b236ba59c79c3 by Abseil Team <absl-team@google.com>:

Cast to uint64_t using braces instead of parentheses.

PiperOrigin-RevId: 372475909

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939fc409855da2639dcaf2d1d4971ca0e0568d03 by Martijn Vels <mvels@google.com>:

Expand # flat nodes into size detailed counters.

PiperOrigin-RevId: 372474608

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54b158c99b32f8a14821ce74fed0f9f836525ce7 by Martijn Vels <mvels@google.com>:

Make copies of sampled cords sampled as well

This applies to the following methods:
- Cord(const Cord&)
- operator=(const Cord&)
- Subcord(...)

PiperOrigin-RevId: 372468160

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876c2581ce008871464e8b471efbb967d150f83b by Andy Getzendanner <durandal@google.com>:

Document the type of an ABSL_FLAGS.OnUpdate() callback.

PiperOrigin-RevId: 372406390
GitOrigin-RevId: 51e9291d9bc385082b4061fe760b236ba59c79c3
Change-Id: Ifb75122cae56b66c28128aee90a63bbb28d93817

1 files changed, 14 insertions, 13 deletions

diff --git a/absl/strings/internal/cordz_info_test.cc b/absl/strings/internal/cordz_info_test.cc
index b7eb910d..59a8c525 100644
--- a/absl/strings/internal/cordz_info_test.cc
+++ b/absl/strings/internal/cordz_info_test.cc
@@ -74,6 +74,20 @@ TEST(CordzInfoTest, TrackCord) {
   info->Untrack();
 }
 
+TEST(CordzInfoTest, MaybeTrackCordOnSampledCord) {
+  TestCordData data1;
+  CordzInfo::TrackCord(data1.data, kTrackCordMethod);
+  CordzInfo* info1 = data1.data.cordz_info();
+  TestCordData data2;
+  CordzInfo::MaybeTrackCord(data2.data, data1.data, kTrackCordMethod);
+  CordzInfo* info2 = data2.data.cordz_info();
+  ASSERT_THAT(info2, Ne(nullptr));
+  EXPECT_THAT(info2->GetCordRepForTesting(), Eq(data2.rep.rep));
+  info2->Untrack();
+  info1->Untrack();
+}
+
+
 TEST(CordzInfoTest, UntrackCord) {
   TestCordData data;
   CordzInfo::TrackCord(data.data, kTrackCordMethod);
@@ -291,19 +305,6 @@ TEST(CordzInfoTest, FromParent) {
   info_child->Untrack();
 }
 
-TEST(CordzInfoTest, FromParentInlined) {
-  InlineData parent;
-  TestCordData child;
-  CordzInfo* info = TrackChildCord(child.data, parent);
-  EXPECT_TRUE(info->GetParentStack().empty());
-  CordzStatistics statistics = info->GetCordzStatistics();
-  EXPECT_THAT(statistics.size, Eq(child.rep.rep->length));
-  EXPECT_THAT(statistics.method, Eq(kChildMethod));
-  EXPECT_THAT(statistics.parent_method, Eq(kUnknownMethod));
-  EXPECT_THAT(statistics.update_tracker.Value(kChildMethod), Eq(1));
-  info->Untrack();
-}
-
 }  // namespace
 }  // namespace cord_internal
 ABSL_NAMESPACE_END